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View larger Non-Contact Voltage Detector + Flashlight The DV20 is a pocket-size, CAT IV-rated non-contact voltage detector designed for quick voltage checks on live wires before testing. Other features of this detector is its LED flashlight for illuminating dimly lit areas, rugged double molded housing, and CAT IV-1000V safety rating. Designed for use on 50/60 Hz circuits. What's in the Box Comes with two AAA batteries and user guide. Applications Applications include: Electrical Troubleshooting, Plant/FM Maintenance, Building Inspections, HVAC/R Repairs, and Field Service. More Extech Instruments to Choose From View larger DV24 Wide Range NCV Detector + Flashlight The DV24 provides fast, non-contact detection of AC Voltage from 50 to 1000VAC using Red LED indicator to indicate the presence of voltage. Slim tip fits into outlet receptacles or against wire insulation testing. CAT IV-1000V safety rating. Includes two AAA batteries. View larger